GENERAL-NGT- Karamana river - improvements to Thiruvallam thodu phase-II - Construction of pump house and installation of additional pumping system - Electrical worksPump hose- Electrification-General Electrical Work

OD62401/2026-2027:Supply, fixing & giving connection of 250A 4 way MCCB Load Bank Sub Main Distribution Board with IP43 protection complying to lEC 61439-2 with copper bus neutral link earth bus , double door facility, bottom cable entry box, meter box etc suitable for providing 3 pole incoming and 3 pole outgoing as required. (L&T Make SMDB - TN250D, O/G 100A 4 ways or equivalent).

90.14.10.1:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.16 A-100A, 16 kA (Ics=100%Icu), 3 pole, current limiting type MCCB having thermal setting range of 80 - 100% with thermal magnetic release having adjustable OL

OD62409/2026-2027:Supply, conveyance and fixing the following types & current rated control gears & switchgears Conforms to IS/IEC 60947-2 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.125A, 25 kA (Ics=100%Icu), 3 pole, current limiting type MCCB having thermal setting range of 80 - 100% with thermal magnetic release having adjustable OL (L&K make DN1-250C or equivalent)

5.4:Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

2.1.2:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.63 Amp TP & N

90.12.7.30:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.3.5 core 70 sq mm

90.12.7.42:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.4 core 25 sq mm with factory made clamp

9.1.23:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.3 1/2X 70 sq. mm (38mm)

9.1.34:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.4 X 25 sq. mm (28mm)